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參數(shù)資料
| 型號(hào)： | X9313WSM3 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | E2POT⑩ Nonvolatile Digital Potentiometer |
| 中文描述： | E2POT⑩非易失數(shù)字電位器 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大小： | 50K |
| 代理商： | X9313WSM3 |
X9313
±
5V, 32 Taps
1
Xicor, Inc. 1994, 1995, 1996 Patents Pending
3866-1.5 6/12/96 T5/C1/D8 NS
Characteristics subject to change without notice
E
2
POT is a trademark of Xicor, Inc.
DESCRIPTION
The Xicor X9313 is a solid state nonvolatile potentiom-
eter and is ideal for digitally controlled resistance
trimming.
The X9313 is a resistor array composed of 31 resistive
elements. Between each element and at either end are
tap points accessible to the wiper element. The position of
the wiper element is controlled by the
CS
, U/
D
, and
INC
inputs. The position of the wiper can be stored in nonvola-
tile memory and then be recalled upon a subsequent
power-up operation.
The resolution of the X9313 is equal to the maximum
resistance value divided by 31. As an example, for the
X9313W (10K
) each tap point represents 323
.
All Xicor nonvolatile memories are designed and tested
for applications requiring extended endurance and data
retention.
FEATURES
Low Power CMOS
—V
CC
= 3V to 5.5V
—Active Current, 3mA Max
—Standby Current, 500
μ
A Max
31 Resistive Elements
—Temperature Compensated
—
±
20% End to End Resistance Range
— –5V to +5V Range
32 Wiper Tap Points
—Wiper Positioned via Three-Wire Interface
—Similar to TTL Up/Down Counter
—Wiper Position Stored in Nonvolatile
Memory and Recalled on Power-Up
100 Year Wiper Position Data Retention
X9313Z = 1K
X9313W = 10K
Packages
—8-Lead MSOP
—8-Lead PDIP
—8-Lead SOIC
FUNCTIONAL DIAGRAM
3866 FHD F01
E
2
POT Nonvolatile Digital Potentiometer
X9313
5-BIT
UP/DOWN
COUNTER
5-BIT
NONVOLATILE
MEMORY
STORE AND
RECALL
CONTROL
CIRCUITRY
ONE
OF
THIRTY-
TWO
DECODER
RESISTOR
ARRAY
31
30
29
28
2
1
0
VL
VW
VH
U/D
INC
CS
VCC
GND
TRANSFER
GATES
A
PPLICATION
N
OTES
A V A I L A B L E
AN42 AN44–48 AN50 AN52 AN53 AN71 AN73
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